<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <input type="text" v-model:value="message">{{message}}<br>
        <input type="radio"  value="男" v-model:value="sex">男
        <input type="radio"  value="女" v-model:value="sex">女
        选择了{{sex}}
    </div>
    <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
    <script>
        var app = new new Vue({
            el:'#app',
            data () {
                return {
                    message:'cpw',
                    sex:''
                }
            }
        })
    </script>
</body>
</html>